From: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>
Refactor CQE compression response to be fully set only
when it`s really supported. There is no change from user
perspective because anyway resp.cqe_comp_caps.max_num was
set to zero.
Reviewed-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
Signed-off-by: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>W
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 59e080da32aa..95e67a85078c 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -982,13 +982,17 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
}
if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) {
- resp.cqe_comp_caps.max_num =
- MLX5_CAP_GEN(dev->mdev, cqe_compression) ?
- MLX5_CAP_GEN(dev->mdev, cqe_compression_max_num) : 0;
- resp.cqe_comp_caps.supported_format =
- MLX5_IB_CQE_RES_FORMAT_HASH |
- MLX5_IB_CQE_RES_FORMAT_CSUM;
resp.response_length += sizeof(resp.cqe_comp_caps);
+
+ if (MLX5_CAP_GEN(dev->mdev, cqe_compression)) {
+ resp.cqe_comp_caps.max_num =
+ MLX5_CAP_GEN(dev->mdev,
+ cqe_compression_max_num);
+
+ resp.cqe_comp_caps.supported_format =
+ MLX5_IB_CQE_RES_FORMAT_HASH |
+ MLX5_IB_CQE_RES_FORMAT_CSUM;
+ }
}
if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen) &&
--
2.14.3
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